Measuring and testing – Gas analysis – Gas chromatography
Patent
1981-05-18
1983-08-23
Gill, James J.
Measuring and testing
Gas analysis
Gas chromatography
7336481, 7336483, G01N 122, G01N 3106
Patent
active
043996884
ABSTRACT:
At least one air pollutant is concentrated at the source from which the sample of air is obtained. The thus concentrated at least one air pollutant is provided through conduits to a central analyzer for analysis. Concentration of the air pollutant results in reducing transport losses and also the sensitivity of the detector utilized to detect the at least one air pollutant can be greatly increased.
REFERENCES:
patent: 3675466 (1972-07-01), Linenberg
patent: 3733908 (1973-05-01), Linenberg
patent: 3797318 (1974-03-01), Palm
patent: 3807217 (1974-04-01), Wilkins et al.
patent: 3897679 (1975-08-01), Guild
patent: 4084440 (1978-04-01), Carpenter et al.
patent: 4128008 (1978-12-01), Linenberg
patent: 4208912 (1980-06-01), Baldeck
patent: 4215563 (1980-08-01), Clardy et al.
Gill James J.
Phillips Phillips Petroleum
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